Rotary engine.



J. B. & R. E. NEELBY.

ROTARY ENGINE.

APPLICATION FILED JULY s, 1913.

1,0'?5,435. Patented 0011.14, 1913.

2 SHEETSSHEET 1.

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J. B. 6: R. E. NEELEY.

ROTARY ENGINE.

APPLICATION FILED JULY 8, 1913,

1,075,435. Patented 0011.14, 1913.

2 SHEETSSHEET 2.

COLUMBIA PLANDGRAP-H 60.. WASHINGTON, D cv JESSEY B. NEELEY AND 1KEELEY, Q15 BIGHILL, KENTUCKY.

ROTARY ENGINE.

Specification of Letters Patent.

Patented Oct. 14,1913.

Application filed July 8, 1913. Serial No. 777,839.

To all whom it may concern:

Be it known that we, Jnssnr B. Nnnnnr and ROY E. NEELEY, citizens of theUnited States, residing at Bighill, in the county of Madison and Stateof Kentucky, have invented certain new and useful Improvements in RotaryEngines, of which the followin is a specification.

This invention relates to rotary steam engines, and pertains especiallyto double rotary pistons and means for mounting and operating thepistons.

The object of the invention is to provide a simple and inexpensiveconstruction in a double or compound rotary engine involving novelconstruction and arrangement of parts.

A further object of the invention is to provide rotary pistons havingperipheral steam pockets, with a special ring for dividing the pistons,and with special means against which the pistons revolve and for holdingthe ring fixed during the rotary movement of the piston.

A still further object of the invention is to provide a speciallyconstructed steam chest in combination with the piston pockets forholding the dividing ring in fixed position during the revolution of thepiston.

In the accompanying drawings forming part of this application :Figure 1is a side elevation of the engine mounted for operation. Fig. 2 is asectional end view. Fig. 3 is a central vertical sectional view, showingthe dividing ring in elevation. Fig. 4 is a sectional View on the dottedline (4-6; Fig. 2. Fig. 5 is a detail perspective view of the dividingring. Fig. 6 is an enlarged section taken through two pairs of the steampockets. Fig. 7 is a detail perspective view of the steam chest. Fig. 8is a top view of the steam chest.

The same reference characters denote the same parts throughout theseveral views of the drawings.

The engine may be transported to various positions, and therefore, it ispreferably mounted on a bed 1, having brackets 2, on which a shaft 3 isjournaled. The shaft has a key 2 and is preferably of such length as topermit the engine to be placed or adjusted lengthwise thereon as desiredor as occasion may demand, and the engine casing 4 is secured to the bed1 by means of slotted angle plates 5, which are adjustable on the bed 1by bolts 6. The sides and the periphery of the casing are securedtogether by a plurality of bolt-rods 7 The casing is provided withexhaust ports 1.

The double piston is composed of a central hub 8, having disks 9 and 10.The periphery of each disk has steam pockets 12 and 13 respectively, thedepth of the pockets alternate in the respective disks, and the pistonis securely mounted on the shaft 3, within the casing 4, so as torevolve the shaft in either direction when the piston is under steampressure.

The steam chest or head 14 is of special design which will now bedescribed in detail. Said chest or head has an inner arc-shaped face 15against which the piston revolves, an arc-shaped central projection 16fitting over the hub 8 and between the cylinder disks 9 and 10, flanges17 provided with bolts 18, slots 19 central of said flanges, and aninduction. port 20 in each flange. The head 14 is attached to the casingby means of a pair of plates 21 fitting notches in the periphery of thecasing and having the bolts 18 extending therethrough and provided withnuts 22. This arrangement securely fastens the head 14 in properposition and connects the head with the casing. A steam induction pipe23 is coupled with one of said ports 20, and a like pipe 24 is coupledwith the other port, both of said pipes being connected with a steamsupply pipe 25, by pipe couplings 26 having suitable valves 27.

In order to separate the piston disks and to revolubly connect thepiston with the head 14, a connecting yoke or dividing ring 28 is madeto fit the space between the piston disks. Said yoke or ring is in twoparts which are hinged together at 29, and the other end of said partshas a shoulder 30 fitting against the inner face of the flanges 1 7, andsaid shouldered ends have an ear 31, projecting therefrom and fittingthe slots 19, and said ears are secured in the slots by suitable meanssuch as pins 32. It will be seen that the ring or yoke not only dividesthe piston but said ring divides the easing into two separate andindependent compartments for the piston disks, and that the piston isrevolved in the ring.

Obviously the head projection 16 and the yoke or ring centralizes thepiston with respect to the head 14, and the head being secured to thecasing permits the piston to be revolved in either direction accordingto the induction of steam through either one or the other of the pipes23 and 24, by operating the valves 27.

We do not wish to be understood as confining the invention to anyparticular size or material, nor for any particular purpose, neither dowe limit ourselves in the location of the steam chest or head, as it maybe changed to any part of the periphery of the casing with the sameresults, but we reserve the right to make such variations inconstruction and arrangement of parts in the practical construction andoperation of the engine as may come within the scope of the appendedclaims without departing from the spirit of the invention.

Having thus described our invention what we claim as new and desire tosecure by Letters Patent is 1. In a rotary engine, the combination witha shaft, a fixed casing, and means upon which the shaft and the casingare mounted, of a double piston secured to the shaft within the casing,and having reverse pockets, a steam chest head secured to the casing andhaving steam ports leading to the pockets for revolving the piston ineither direction, and means connecting the head with the piston forcentralizing the latter with the head.

2. In a rotary engine, the combination with a shaft, a fixed casing, andmeans upon which the shaft and the casing are mounted, of a pistonsecured to the shaft within the casing and having two sets of pockets, asteam chest head secured to the casing and having steam ports leading tothe respective pockets for revolving the piston in either direction, anda yoke secured to and depending from the head between the sets ofpockets so as to divide the piston centrally and to centralize thepiston with the head.

8. In a rotary engine, the combination with a shaft, a fixed casing andmeans upon which the shaft and the casing are mounted, of a pistonhaving a central hub and a set of peripheral pockets on each side of thehub, a steam chest head secured to the periphery of the casing andhaving a projection fitting the hub space between the sets of pockets,and a yoke secured to the head so as to permit the hub to revolve in theyoke.

4. In a rotary engine, the combination with a casing, a piston revolublein the casing and having a central hub, and a set of steam pockets inthe periphery of the piston on each side of the hub, of a steam chesthead secured to the periphery of the casing in contact with the pistonand having steam ports leading to the pockets, and means for revolublyhanging the piston from the head comprising a yoke secured to the headand extending around the piston hub.

5. In a rotary engine, the combination with a pocketed piston having acentral hub, and a fixed casing for the piston, of a steam chest headhaving flanges secured to the casing, induction pipes secured to anddischarging through the flanges into the pockets for revolving thepiston in both directions, and a yoke extending around the hub andsecured to the said flanges for connecting the piston with the head.

6. In a rotary engine, the combination with a pocketed piston having acentral hub, and a fixed casing for the piston, of a steam chest headhaving flanges secured to the casing, induction pipes secured to anddischarging through the flanges into the pocks0 ets for revolving thepiston in both directions, and a hinged yoke extending around the huband having ears secured to the flanges.

In witness whereof we hereunto set our hands in the presence of twowitnesses.

JESSEY B. NEELEY. ROY E. NEELEY.

Witnesses:

N. H. BRANAMAN, R. R. CAYLE.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents, Washington, D. C.

